F-26-03 Konica 7145

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  • prntrfxr
    Service Manager

    1,000+ Posts
    • Apr 2008
    • 1627

    #1

    F-26-03 Konica 7145

    Replace DV - same error code. What does the 03 code exactly mean? I'd rather not change the TDS unless I have to. It wont let me calibrate the DV either. I've cleaned the machine really good. Any ideas? I'm not really familiar with Konica machines.
    Life should NOT be a journey to the grave with the intention of arriving safely in an attractive and well-preserved body, but rather to skid in sideways - Coke in one hand - chocolate in the other - body thoroughly used up, totally worn out and screaming "WOO-HOO, what a ride!".
  • Luther
    Senior Tech

    500+ Posts
    • May 2006
    • 682

    #2
    Make sure the PCL's are plugged in on the drum unit,(2 pin connector) they are attached to the charge assembly , also make sure all the dv unit gears are turning, hope this helps

    Comment

    • Luther
      Senior Tech

      500+ Posts
      • May 2006
      • 682

      #3
      Also clean the sensor on the drum unit, you need to remove the drum and the sensor is located below the cleaning blade wipe it with a dry cloth there might be toner or setting powder on it, good luck

      Comment

      • ebm
        Trusted Tech

        100+ Posts
        • Apr 2007
        • 183

        #4
        This code pops up if you try use aftermarket drum, too.

        Comment

        • big jase
          Service Manager

          Site Contributor
          100+ Posts
          • Jul 2008
          • 136

          #5
          F26-3

          i have had this problem when main motor M1 is not turning,,winding on motor work loose so M1 doe'nt turn (drum motor)
          If at First you don't succeed remove all evidence of ever trying!

          Comment

          • minimerlin
            Senior Tech

            Site Contributor
            500+ Posts
            • Nov 2007
            • 851

            #6
            This can be caused by the TDS going bad or even the harness being trapped and grounded...check the harness on the dev unit!
            Please do not PM me without asking first.

            Comment

            • redime

              #7
              Originally posted by minimerlin
              This can be caused by the TDS going bad or even the harness being trapped and grounded...check the harness on the dev unit!
              Yup, can be a pinched or poorly operating TDS, can also be a bad TCSB on the drum unit - can be a flipped blade, M1 motor having a bad solder point -- and can even be the board.

              Comment

              • smiley
                Senior Tech

                500+ Posts
                • Aug 2008
                • 616

                #8
                yup thy are right but when your motor is good you have to focus in developer.but try to disable the toner detection.
                there is no glory without sacrifice

                Comment

                • Gerg?
                  Technician

                  50+ Posts
                  • Jul 2008
                  • 67

                  #9
                  PROBLEM:

                  Door message, code 0003 with F26-03 code.

                  Content CAUSE: Thermistor was shorted out, causing relay 1 on the power supply to trip. This results in the loss of 24v to front door switch and boards.

                  SOLUTION: Replace the Thermistor ( p/n 26NA88011). TH1 and TH2 are on the same harness.


                  Solution provided by Don St.Onge - SSD Windsor.

                  Comment

                  • minimerlin
                    Senior Tech

                    Site Contributor
                    500+ Posts
                    • Nov 2007
                    • 851

                    #10
                    Originally posted by Gergő
                    PROBLEM:

                    Door message, code 0003 with F26-03 code.

                    Content CAUSE: Thermistor was shorted out, causing relay 1 on the power supply to trip. This results in the loss of 24v to front door switch and boards.

                    SOLUTION: Replace the Thermistor ( p/n 26NA88011). TH1 and TH2 are on the same harness.


                    Solution provided by Don St.Onge - SSD Windsor.
                    I cannot fathom were this can refer to a thermistor problem!!
                    Please do not PM me without asking first.

                    Comment

                    • smiley
                      Senior Tech

                      500+ Posts
                      • Aug 2008
                      • 616

                      #11
                      i have 100 of unit of this machine on the field but i never incounter 26-3 cause by thermistor.maybe you refering on 36-3.
                      there is no glory without sacrifice

                      Comment

                      • pepper38_cnd
                        Field Service Manager

                        Site Contributor
                        1,000+ Posts
                        • Aug 2005
                        • 1075

                        #12
                        Originally posted by prntrfxr
                        Replace DV - same error code. What does the 03 code exactly mean? I'd rather not change the TDS unless I have to. It wont let me calibrate the DV either. I've cleaned the machine really good. Any ideas? I'm not really familiar with Konica machines.
                        I don't really get the reluctance to change the TDS as that is what the error points to; But you may want to remove the toner hopper and clean it out thoroughly make sure it works properly, also make sure all HV ( Ch and T/S are working ) then do another dev change and see if L detect will run. But honestly the TDS is much cheaper than Developer.
                        Online Store is closed. Chip resetting is a thing of the past! Thank you to all my past customers.
                        Now into Ip TV KODI Boxes

                        Comment

                        • prntrfxr
                          Service Manager

                          1,000+ Posts
                          • Apr 2008
                          • 1627

                          #13
                          F-26-03 Konica 7145

                          think its the motor controller board. motor wont turn but its a good motor. will let you know how it turns out. thanks guys, for all your help. hope I can return the favor someday
                          Life should NOT be a journey to the grave with the intention of arriving safely in an attractive and well-preserved body, but rather to skid in sideways - Coke in one hand - chocolate in the other - body thoroughly used up, totally worn out and screaming "WOO-HOO, what a ride!".

                          Comment

                          • konikilla
                            Technician
                            • Nov 2008
                            • 43

                            #14
                            F26-03 Error

                            The toner density sensor (TDS) has failed to detect ripple output of 0.5 volts.

                            You have many areas this could be in, but it most likely to be the TDS sensor if you have already changed the dev. Do a quick check to see if the main dev mag roller is turning by cleaning the dev off one end (don't remove it, just push it into the middle a bit and stick it back in then start up the machine and see if the clean area is covered over with dev again when the error code shows up.

                            If it is covered over again with dev then the dev is turning.

                            You should be then looking to change the TDS.

                            Or if this fails and espceially on older or high volume machines you could be looking at the dev unit bushings getting clogged up with toner and slowing down the dev unit speed causing a lower voltage output. This will require a lenghty and laborious strip down and clean-up of the dev unit or a complete dev unit replacement.

                            If it isn't turning you should check the driver board to the right of the main/system board. This board provides the power to the motor that drives the dev unit and it is very common for one of it's fuses to fail (especially the one that powers the paper feed motor). With a multi-meter check any component on the board marked with the letters ICP (Integrated Circuit Protecter). An example would be (ICP7, ICP4) there is about 13 or 14. These are basically small fuses which you can buy in any decent electronics shop and can easily replaced with a soldering iron and a pair of pliers.

                            If all this fails your looking at the motor or the main system board (OACB)

                            Comment

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